Emotional stress – The flight or fight response that everyone is familiar with which causes the production of adrenaline and adrenal related hormones, which uses up our oxygen supply.

Physical Stress – Reduces circulation and the subsequent oxygen supply to a great many cells and tissues throughout the body.

Infections – Use up “free radical” forms of oxygen to combat bacteria, fungi, and viruses. Frequent use of drugs counteract infections also depletes cellular oxygen since oxygen is required to metabolise them out of the system. Research has convincingly shown that there is a significant difference in the amount of oxygen in a strong healthy person than that of a weak chronically ill person.